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by gloriosoc
2127 days ago
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Or the initial antibodies drop in people that have had COVID over time (which they probably do). The antibody tests test for the kind of antibodies that are present immediately- over time a previously infected person will have less of those antibodies and more of the back up Tcell kind. You can read a review on this here: https://www.nature.com/articles/d41586-020-02400-7. |
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